摘要：<正>My family went to Beihai for the Spring Festival.Look!Mangroves(红树林)live in tropics and subtropics.They have roots for breathing.Shrimps,crabs,fish and birds love to play with mangroves.There is an old

注：因版权方要求，不能公开全文，如需全文，请咨询杂志社